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Gentoo: GLSA-202306-18 Normal: PEAR XML_Parser Remote Code Exec

gentoo
Calendar Grey June 15, 2020
Dist Gentoo Esm H88
Security vulnerability in PEAR Archive_Tar could lead to remote code execution risks. It is advisable to update to ensure protection against exploitation.
A buffer overflow in the PEAR module Archive_Tar might allow local or remote attacker(s) to execute arbitrary code.

Summary

An issue was discovered in the PEAR module Archive_Tar's handling of file paths within Tar achives.

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow software update remote code execution PEAR module

Resolution

All PEAR-Archive_Tar users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-php/PEAR-Archive_Tar-1.4.5"

References

[ 1 ] CVE-2018-1000888 https://nvd.nist.gov/vuln/detail/CVE-2018-1000888

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202006-14
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: PEAR Archive_Tar: Remote code execution vulnerability
Date: June 15, 2020
Bugs: #675576
ID: 202006-14

Topics%20covered

Topics Covered

security advisory Gentoo buffer overflow software update remote code execution PEAR module

Synopsis

A buffer overflow in the PEAR module Archive_Tar might allow local or remote attacker(s) to execute arbitrary code.

Background

This class provides handling of tar files in PHP.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-php/PEAR-Archive_Tar < 1.4.5 >= 1.4.5

Impact

===== A local or remote attacker could possibly execute arbitrary code with the privileges of the process.

Workaround

Avoid handling untrusted Tar files with this package until you have upgraded to a non-vulnerable version.

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